2/5/2015 4:12 PM ET
Recent coverage is improved, but ABC, CBS, NBC previously kept fears of vaccine link alive for 15 years.
5/15/2014 8:14 AM ET
ABC, CBS and NBC kept debate alive while children died from drop in vaccinations.
9/29/2010 4:08 PM ET
But journalists complain right filled with 'anti-science' types.
6/1/2007 10:37 AM ET
CBS reporter cites lack of vaccine development but excludes industry rebuttal.